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CVE-2024-41123

CVE-2024-41123: REXML DoS vulnerability

7.5

CVSS Score
3.1

Basic Information

CVE ID
CVE-2024-41123
GHSA ID
GHSA-r55c-59qm-vjw6
EPSS Score
0.49835%
CWE
CWE-400
Published
8/1/2024
Updated
12/27/2024
KEV Status
No
Technology
TechnologyRuby

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Package NameEcosystemVulnerable VersionsFirst Patched Version
rexmlrubygems< 3.3.33.3.3

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability stems from inefficient parsing of specific characters (whitespace, '>]', ']>') in REXML. Similar historical vulnerabilities (e.g., CVE-2024-35176) were tied to parsing logic in BaseParser and Text classes. The described DoS behavior suggests unthrottled resource consumption during XML processing. While exact patch details are unavailable, the functions above are core to REXML's parsing workflow and align with the CWE-400/CWE-770 resource exhaustion patterns. Confidence is medium due to reliance on historical patterns and advisory descriptions rather than explicit patch diffs.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

### Imp**t T** R*XML **m ***or* *.*.* **s som* *oS vuln*r**iliti*s w**n it p*rs*s *n XML t**t **s m*ny sp**i*i* ***r**t*rs su** *s w*it*sp*** ***r**t*r, `>]` *n* `]>`. I* you n*** to p*rs* untrust** XMLs, you m*y ** imp**t** to t**s* vuln*r**iliti*

Reasoning

T** vuln*r**ility st*ms *rom in***i*i*nt p*rsin* o* sp**i*i* ***r**t*rs (w*it*sp***, '>]', ']>') in R*XML. Simil*r *istori**l vuln*r**iliti*s (*.*., *V*-****-*****) w*r* ti** to p*rsin* lo*i* in **s*P*rs*r *n* T*xt *l*ss*s. T** **s*ri*** *oS ****vior